Yahoo News answers some of the most frequently asked questions about measles amid the multi-state outbreaks that started in ...

Arizona resident dies from the plague less than 24 hours after showing symptoms - Amid a prairie dog die-off near Flagstaff, ...

At least one person has died and 134 have been infected from an outbreak of salmonella linked to a recall of more than 20 ...

Measles cases in the United States have reached their highest number in more than 30 years, according to new federal data ...

The U.S. is having its worst year for measles spread in more than three decades, with a total of 1,288 cases nationally and ...

This year is the worst for measles spread in the U.S. since 1991. The news comes as Missouri has become the 18th state with ...

According to experts and the CDC, most Arizonans who are fully vaccinated against COVID-19 can take off their masks and return to normal activities.